Base | Representation |
---|---|
bin | 10001001001111… |
… | …11011011011100 |
3 | 101000210121212200 |
4 | 20210333123130 |
5 | 243320232331 |
6 | 22140331500 |
7 | 3365153301 |
oct | 1044773334 |
9 | 330717780 |
10 | 143914716 |
11 | 74266290 |
12 | 40243b90 |
13 | 23a7b14a |
14 | 151830a8 |
15 | c97b5e6 |
hex | 893f6dc |
143914716 has 72 divisors (see below), whose sum is σ = 404402544. Its totient is φ = 42781440.
The previous prime is 143914711. The next prime is 143914723. The reversal of 143914716 is 617419341.
It is a super-2 number, since 2×1439147162 = 41422890962721312, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (143914711) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17560 + ... + 24416.
It is an arithmetic number, because the mean of its divisors is an integer number (5616702).
Almost surely, 2143914716 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 143914716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202201272).
143914716 is an abundant number, since it is smaller than the sum of its proper divisors (260487828).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143914716 is a wasteful number, since it uses less digits than its factorization.
143914716 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6931 (or 6926 counting only the distinct ones).
The product of its digits is 18144, while the sum is 36.
The square root of 143914716 is about 11996.4459737040. The cubic root of 143914716 is about 524.0447828012.
The spelling of 143914716 in words is "one hundred forty-three million, nine hundred fourteen thousand, seven hundred sixteen".
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